Signed-off-by: Richard Zhao <richard.z...@linaro.org>
---
 drivers/i2c/busses/i2c-imx.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 58832e5..aad623b 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -196,6 +196,7 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx)
 
        dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
 
+       clk_prepare(i2c_imx->clk);
        clk_enable(i2c_imx->clk);
        writeb(i2c_imx->ifdr, i2c_imx->base + IMX_I2C_IFDR);
        /* Enable I2C controller */
@@ -246,6 +247,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
        /* Disable I2C controller */
        writeb(0, i2c_imx->base + IMX_I2C_I2CR);
        clk_disable(i2c_imx->clk);
+       clk_unprepare(i2c_imx->clk);
 }
 
 static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
-- 
1.7.5.4


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